special_use folders still created

[Stephan Bosch]

Op 15/12/2018 om 19:10 schreef Marc Roos:
> dovecot-2.2.36-3.el7.x86_64
>
> The below configuration seems to work for Thunderbird and emclient, when
> moving a message to Junk. Emclient uses "Junk E-mail" and Thunderbird
> uses "Junk". On the server is only the file .Junk created as expected.
>
> When I move a message to Archive in Thunderbird. On the server the files
> .Archives and .Archives.2018 are created (Thunderbird creates a
> subfolder in Archives)
>
> How is this possible? On the server there is already an .Archive folder
> so it should create .Archive.2018 not?

I can't say I have much experience with such client issues. Your 
configuration doesn't look wrong at first glance. Maybe assigning the 
special use flag to the mailboxes you don't want is a bad idea, but I am 
not sure.

First, you could connect to your IMAP server directly (e.g. using 
telnet) to verify that:

1) The SPECIAL-USE capability is actually announced.

2) The mailbox listed below are actually being returned by LIST command 
with the appropriate arguments.

Then (or alternatively), you can check the communication between your 
clients and Dovecot using the rawlog facility to find out what those are 
doing. That may give you some clues.


Regards,


Stephan.


>
>
> imap_capability = +SPECIAL-USE
>
>
>    # drafts folders merging
>    mailbox Drafts {
>      special_use = \Drafts
>      auto = create
>    }
>
>    # archive folders merging
>    mailbox Archive {
>      special_use = \Archive
>      auto = create
>    }
>    mailbox Archives {
>      special_use = \Archive
>      auto = no
>    }
>
>    # spam folders merging
>    mailbox Junk {
>      special_use = \Junk
>      auto = create
>    }
>    mailbox Spam {
>      special_use = \Junk
>      auto = no
>    }
>    mailbox "Junk E-mail" {
>      special_use = \Junk
>      auto = no
>    }
>
>
>
>
>
>